Removes reserved concurrency limit

Removes the fixed reserved concurrency setting from the serverless configuration to allow the function to scale based on account-level limits. Improves elasticity and reduces risk of unintended throttling under bursty traffic, simplifying capacity management for production workloads.

Author: ksigWyatt

API/ThriveChurchOfficialAPI/ThriveChurchOfficialAPI/serverless.template

@@ -12,7 +12,6 @@
         "MemorySize": 1024,
         "Timeout": 30,
         "Role": "arn:aws:iam::349570132161:role/ThriveApiAppRunnerRole",
-        "ReservedConcurrentExecutions": 10,
         "Environment": {
           "Variables": {
             "ASPNETCORE_ENVIRONMENT": "Production",